13993490320 has 40 divisors (see below), whose sum is σ = 32560076736. Its totient is φ = 5593058688.

The previous prime is 13993490299. The next prime is 13993490351. The reversal of 13993490320 is 2309439931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37119 + ... + 171361.

Almost surely, 2^13993490320 is an apocalyptic number.

13993490320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13993490320 is an abundant number, since it is smaller than the sum of its proper divisors (18566586416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13993490320 is a wasteful number, since it uses less digits than its factorization.

13993490320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135559 (or 135553 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 43.

The spelling of 13993490320 in words is "thirteen billion, nine hundred ninety-three million, four hundred ninety thousand, three hundred twenty".